/*
 * Copyright 2023 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.j2cl.transpiler.backend.kotlin.ast

/** Kotlin visibility. */
enum class Visibility {
  PUBLIC,
  PROTECTED,
  INTERNAL,
  PRIVATE;

  val isPublic
    get() = this === PUBLIC

  val isProtected
    get() = this === PROTECTED

  val isInternal
    get() = this === INTERNAL

  val isPrivate
    get() = this === PRIVATE
}

/** Returns visibility with the widest scope of [visibilities] or null if none were given. */
fun Iterable<Visibility>.withWidestScopeOrNull(): Visibility? = minOrNull()
